ISSN:
1089-7623
Source:
AIP Digital Archive
Topics:
Physics
,
Electrical Engineering, Measurement and Control Technology
Notes:
We describe a wide field phase sensitive confocal microscope based on correlation between speckles. In this system, parallel optical phase stepping provides for the simultaneous capture of four interferograms using a single camera, giving the system the potential to operate at high speed. The interferograms are mapped to a common frame of reference, removing any relative distortion in the process, so that phase, amplitude, and interference efficiency images can be obtained. We use a new phase stepping algorithm that accounts for the unequal phase steps and unbalanced beam amplitudes that are a consequence of the optical arrangement. Experimental results to show that the system operates as a wide field amplitude and phase confocal system are presented. © 2001 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.1400156
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